AME9001 Datasheet, PDF (23/27 Pages) Analog Microelectronics – CCFL BACKLIGHT CONTROLLER

AME, Inc.
AME9001
CCFL Backlight Controller
Figure 16. Four Tube Application Schematic
BATT
R1
1Meg
BRIGHT
R3
1.2Meg
R4
Q4
R8
2K
NPN
Q1
2N3904
C9 3.9k
PNP
1uF
3
2N3906
Q2 5602
1
Q5
SNUB
PNP
2N3906
2, 4
D2
IN914
D3
IN914
R6
51k
T1
2XTRANS
T2
2XTRANS
C2
U1
1uF
Vref
1
AME9001
24
Vref
PNP
2 _CE
SSV ²³
CE
C3 0.022uF
3 _SSC
BRIGHT ²²
4 _{RDELTA COMP} 21
C31 0.1uF
5 _FAULTB
FB ²⁰
R2
6 _RT2
CT1 ¹⁹
C1
49.9k
0.1u
7 _VSS
8 _OVP
9 _CS
VSUPPLY ¹⁸
DUTY ¹⁷
VBATT ¹⁶
10 _{CSCOMP OUTA} 15
11 _{CSDET OUTAPB} 14
12 _{CSPEAK OUTC} 13
C14
1000p
C8
47nF
R20
100k
VDD
C30
100p
C4 C5 ₊
0.01uF
100uF
C6
C7
0.1uF 4.7uF
LX
R35
R38
400k
400k
D16 OVP D17
IN914
R36
3k
IN914
R39
3k
R7
30.1k
Q3-1 IRFR3303
Q3-2
IRFR3303
D6
1N5819
D4
IN914
R10
852
R9
303
OUT-1
D5
IN914
23